Optimized code for reading extra data from composer.lock. (#7223)

Author: kbzz

Diff for: src/Composer.php

@@ -89,7 +89,7 @@ public static function discoverLockFile(): string
         return '';
     }
 
-    public static function getMergedExtra(?string $key = null)
+    public static function getMergedExtra(?string $key = null): array
     {
         if (! self::$extra) {
             self::getLockContent();
@@ -101,16 +101,16 @@ public static function getMergedExtra(?string $key = null)
 
         $extra = [];
 
-        foreach (self::$extra as $project => $config) {
-            foreach ($config ?? [] as $configKey => $item) {
-                if ($key === $configKey && $item) {
-                    foreach ($item as $k => $v) {
-                        if (is_array($v)) {
-                            $extra[$k] = array_merge($extra[$k] ?? [], $v);
-                        } else {
-                            $extra[$k][] = $v;
-                        }
-                    }
+        foreach (self::$extra as $config) {
+            if (! isset($config[$key])) {
+                continue;
+            }
+
+            foreach ($config[$key] as $k => $v) {
+                if (is_array($v)) {
+                    $extra[$k] = array_merge($extra[$k] ?? [], $v);
+                } else {
+                    $extra[$k][] = $v;
                 }
             }
         }

Diff for: tests/ComposerTest.php

@@ -36,4 +36,10 @@ public function testHasPackage()
         $this->assertTrue(Composer::hasPackage('hyperf/framework'));
         $this->assertFalse(Composer::hasPackage('composer/unknown'));
     }
+
+    public function testGetMergedExtra()
+    {
+        $providers = Composer::getMergedExtra('hyperf')['config'] ?? [];
+        $this->assertNotEmpty($providers);
+    }
 }